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Control the colour of a powerful LED light beam with a remote control, store the colours and recall them at will. [via]

With this thing I can control the colour of a bright light into many different colours using the three fundamentals colours : red green and blue. Adding them toghether with different intensity can yeld very great a range of colours from the visible spectrum.

A remote controlled power RGB LED mood light - [Link]

The module consists of a Atmega8 microcontroller. It uses PWM to control 3 different LED’s found in a RGB Led. Because it uses PWM to control the 3 colours we can also control the brightness of the colours. This allows us to create various colours using the three original colors (Red,Green and Blue).

Tom’s RGB mood lamp - [Link]

Control the colour of a powerful LED light beam with a remote control, store the colours and recall them at will.  With this thing I can control the colour of a bright light into many different colours using the three fundamentals colours : red green and blue. Adding them toghether with different intensity can yeld very great a range of colours from the visible spectrum. Specifically my mood lamp can shift colours through 32 intensity values for each RGB colour giving 32*32*32 = 32768 different combinations of hue, intensity and brightness. It can also store 10 different combinations can be turned on or off, all of these through a TV remote control. The intensity of each red, green and blue component is done via PWM so heat dissipation is kept to a minimum. The circuit is simple and there are no pushbuttons as control is done entirely through the remote control.

Remote controlled RGB LED mood light - [Link]